[INFO] cloning repository https://github.com/flake-lang/flake2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flake-lang/flake2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflake-lang%2Fflake2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflake-lang%2Fflake2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2728b593aede27dd08770f7ee8553b3dd19dc098
[INFO] checking flake-lang/flake2 against try#d83b14207998f47b18a34e930157ac0d7c18b16e for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflake-lang%2Fflake2" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/flake-lang/flake2
[INFO] finished tweaking git repo https://github.com/flake-lang/flake2
[INFO] tweaked toml for git repo https://github.com/flake-lang/flake2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flake-lang/flake2 on toolchain d83b14207998f47b18a34e930157ac0d7c18b16e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/flake-lang/flake2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aebdf3b1ac605c6cab57bd9b645e1289e264e6a2c14dde38112d9e9cd211fe4
[INFO] running `Command { std: "docker" "start" "-a" "2aebdf3b1ac605c6cab57bd9b645e1289e264e6a2c14dde38112d9e9cd211fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aebdf3b1ac605c6cab57bd9b645e1289e264e6a2c14dde38112d9e9cd211fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aebdf3b1ac605c6cab57bd9b645e1289e264e6a2c14dde38112d9e9cd211fe4", kill_on_drop: false }`
[INFO] [stdout] 2aebdf3b1ac605c6cab57bd9b645e1289e264e6a2c14dde38112d9e9cd211fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd3e3d577388b40a102a79eead1e9906e8198861262df3e826e897374fd7ba8
[INFO] running `Command { std: "docker" "start" "-a" "4bd3e3d577388b40a102a79eead1e9906e8198861262df3e826e897374fd7ba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling lalr v0.0.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling inkwell v0.4.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking lexgen_util v0.15.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking flakec-codegen v0.0.0 (/opt/rustwide/workdir/compiler/flakec-codegen)
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.52
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]     Checking flakec-parser-derive v0.1.0 (/opt/rustwide/workdir/compiler/flakec-parser-derive)
[INFO] [stdout] warning: unused import: `ToTokens as _`
[INFO] [stdout]  --> compiler/flakec-parser-derive/src/lib.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use quote::{quote, ToTokens as _};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToTokens as _`
[INFO] [stdout]  --> compiler/flakec-parser-derive/src/lib.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use quote::{quote, ToTokens as _};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling llvm-sys v140.1.3
[INFO] [stderr]    Compiling lexgen v0.15.0
[INFO] [stderr]    Compiling plex v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling inkwell_internals v0.9.0
[INFO] [stderr]     Checking flakec-lexer v0.0.0 (/opt/rustwide/workdir/compiler/flakec-lexer)
[INFO] [stdout] warning: unused imports: `str::Chars` and `string::ParseError`
[INFO] [stdout]  --> compiler/flakec-lexer/src/stream.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{convert::Infallible, str::Chars, string::ParseError};
[INFO] [stdout]   |                                ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]   --> compiler/flakec-lexer/src/stream.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Lexer,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `str::Chars` and `string::ParseError`
[INFO] [stdout]  --> compiler/flakec-lexer/src/stream.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{convert::Infallible, str::Chars, string::ParseError};
[INFO] [stdout]   |                                ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]   --> compiler/flakec-lexer/src/stream.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Lexer,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `vec_into_raw_parts` has been stable since 1.93.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> compiler/flakec-lexer/src/lib.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(adt_const_params, vec_into_raw_parts)]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `vec_into_raw_parts` has been stable since 1.93.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> compiler/flakec-lexer/src/lib.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(adt_const_params, vec_into_raw_parts)]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> compiler/flakec-lexer/src/token.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn kind(&self) -> &TokenKind{
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^
[INFO] [stdout]     |                 |         ||
[INFO] [stdout]     |                 |         |the same lifetime is hidden here
[INFO] [stdout]     |                 |         the same lifetime is elided here
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn kind(&self) -> &TokenKind<'_>{
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> compiler/flakec-lexer/src/token.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn kind(&self) -> &TokenKind{
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^
[INFO] [stdout]     |                 |         ||
[INFO] [stdout]     |                 |         |the same lifetime is hidden here
[INFO] [stdout]     |                 |         the same lifetime is elided here
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn kind(&self) -> &TokenKind<'_>{
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking flakec-ast v0.0.0 (/opt/rustwide/workdir/compiler/flakec-ast)
[INFO] [stdout] warning: unused import: `Function`
[INFO] [stdout]  --> compiler/flakec-ast/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use item::{Function, Item};
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deref`, `IndexMut`, and `path::MAIN_SEPARATOR`
[INFO] [stdout]  --> compiler/flakec-ast/src/expression.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{Deref, IndexMut},
[INFO] [stdout]   |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 4 |     path::MAIN_SEPARATOR,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> compiler/flakec-ast/src/expression.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     token::{self, BasicToken, Token, TokenKind, TokenType},
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Operator_`, `Value_`, and `self`
[INFO] [stdout]   --> compiler/flakec-ast/src/expression.rs:14:68
[INFO] [stdout]    |
[INFO] [stdout] 14 | ...:{parse_operator, Operator, Operator_}, parse, types::Type, value::{self, parse_value, Value, Value_}, ParseError
[INFO] [stdout]    |                                ^^^^^^^^^                               ^^^^                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `keyword::Keyword` and `token::TokenKind`
[INFO] [stdout]  --> compiler/flakec-ast/src/item.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lexer::{keyword::Keyword, token::TokenKind};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> compiler/flakec-ast/src/operator.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     token::{BasicToken, Token, TokenKind, TokenType},
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> compiler/flakec-ast/src/statement.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Function`
[INFO] [stdout]  --> compiler/flakec-ast/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use item::{Function, Item};
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deref`, `IndexMut`, and `path::MAIN_SEPARATOR`
[INFO] [stdout]  --> compiler/flakec-ast/src/expression.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{Deref, IndexMut},
[INFO] [stdout]   |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 4 |     path::MAIN_SEPARATOR,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> compiler/flakec-ast/src/expression.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     token::{self, BasicToken, Token, TokenKind, TokenType},
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Operator_`, `Value_`, and `self`
[INFO] [stdout]   --> compiler/flakec-ast/src/expression.rs:14:68
[INFO] [stdout]    |
[INFO] [stdout] 14 | ...:{parse_operator, Operator, Operator_}, parse, types::Type, value::{self, parse_value, Value, Value_}, ParseError
[INFO] [stdout]    |                                ^^^^^^^^^                               ^^^^                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `keyword::Keyword` and `token::TokenKind`
[INFO] [stdout]  --> compiler/flakec-ast/src/item.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lexer::{keyword::Keyword, token::TokenKind};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> compiler/flakec-ast/src/operator.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     token::{BasicToken, Token, TokenKind, TokenType},
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> compiler/flakec-ast/src/statement.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tok`
[INFO] [stdout]   --> compiler/flakec-ast/src/item.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let tok = input.peek().ok_or(ParseError::UnexpectedEndOfFile)?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tok`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tok`
[INFO] [stdout]   --> compiler/flakec-ast/src/item.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let tok = input.peek().ok_or(ParseError::UnexpectedEndOfFile)?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tok`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> compiler/flakec-ast/src/types.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => Ok(())
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> compiler/flakec-ast/src/types.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout]  93 |             Type::Int { bits: 8 } => f.write_str("i8"),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout]  94 |             Type::Int { bits: 16 } => f.write_str("i16"),
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout]  95 |             Type::Int { bits: 32 } => f.write_str("i32"),
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout]  96 |             Type::Int { bits: 64 } => f.write_str("i64"),
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             _ => Ok(())
[INFO] [stdout]     |             ^ ...and 16 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> compiler/flakec-ast/src/types.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => Ok(())
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> compiler/flakec-ast/src/types.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout]  93 |             Type::Int { bits: 8 } => f.write_str("i8"),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout]  94 |             Type::Int { bits: 16 } => f.write_str("i16"),
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout]  95 |             Type::Int { bits: 32 } => f.write_str("i32"),
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout]  96 |             Type::Int { bits: 64 } => f.write_str("i64"),
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             _ => Ok(())
[INFO] [stdout]     |             ^ ...and 16 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking flakec-middle v0.0.0 (/opt/rustwide/workdir/compiler/flakec-middle)
[INFO] [stderr]     Checking flakec-parser v0.0.0 (/opt/rustwide/workdir/compiler/flakec-parser)
[INFO] [stdout] warning: fields `state` and `input` are never read
[INFO] [stdout]   --> compiler/flakec-parser/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Parser<'a>{
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     state: ParserState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     input: &'a mut TokenStream<'a>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `input` are never read
[INFO] [stdout]   --> compiler/flakec-parser/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Parser<'a>{
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     state: ParserState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     input: &'a mut TokenStream<'a>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking flakec-backend v0.0.0 (/opt/rustwide/workdir/compiler/flakec-backend)
[INFO] [stderr]     Checking flakec-types v0.0.0 (/opt/rustwide/workdir/compiler/flakec-types)
[INFO] [stdout] warning: unused import: `convert::Infallible`
[INFO] [stdout]  --> compiler/flakec-backend/src/dummy.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> compiler/flakec-backend/src/dummy.rs:11:76
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn compile(&'a mut self, _: flakec_middle::ast::AST) -> Result<(), Box<(dyn std::error::Error + 'static)>> {
[INFO] [stdout]    |                                                                            ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     fn compile(&'a mut self, _: flakec_middle::ast::AST) -> Result<(), Box<(dyn std::error::Error + 'static)>> {
[INFO] [stdout] 11 +     fn compile(&'a mut self, _: flakec_middle::ast::AST) -> Result<(), Box<dyn std::error::Error + 'static >> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[cold]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> compiler/flakec-backend/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[cold]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: `#[cold]` can be applied to closures, foreign functions, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[cold]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> compiler/flakec-backend/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[cold]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: `#[cold]` can be applied to closures, foreign functions, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `fmt::Display`
[INFO] [stdout]  --> compiler/flakec-types/src/lib.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, error, fmt::Display, marker::PhantomData, ops::Deref};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `lexer::token::BasicToken` and `self`
[INFO] [stdout]   --> compiler/flakec-types/src/lib.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         types::{self, Type, INT_UNKNOWN, UINT_UNKNOWN},
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     lexer::token::BasicToken,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::Infallible`
[INFO] [stdout]  --> compiler/flakec-backend/src/dummy.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::Infallible, marker::PhantomData};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> compiler/flakec-backend/src/dummy.rs:11:76
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn compile(&'a mut self, _: flakec_middle::ast::AST) -> Result<(), Box<(dyn std::error::Error + 'static)>> {
[INFO] [stdout]    |                                                                            ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     fn compile(&'a mut self, _: flakec_middle::ast::AST) -> Result<(), Box<(dyn std::error::Error + 'static)>> {
[INFO] [stdout] 11 +     fn compile(&'a mut self, _: flakec_middle::ast::AST) -> Result<(), Box<dyn std::error::Error + 'static >> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[cold]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> compiler/flakec-backend/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[cold]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: `#[cold]` can be applied to closures, foreign functions, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[cold]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> compiler/flakec-backend/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[cold]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: `#[cold]` can be applied to closures, foreign functions, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flakec-backend` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> compiler/flakec-types/src/lib.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, error, fmt::Display, marker::PhantomData, ops::Deref};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `lexer::token::BasicToken` and `self`
[INFO] [stdout]   --> compiler/flakec-types/src/lib.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         types::{self, Type, INT_UNKNOWN, UINT_UNKNOWN},
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     lexer::token::BasicToken,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> compiler/flakec-types/src/lib.rs:146:24
[INFO] [stdout]     |
[INFO] [stdout] 146 |         for (provided, expected) in args.iter().zip(expected_args.iter()) {
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `provided_ty`
[INFO] [stdout]    --> compiler/flakec-types/src/lib.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let provided_ty = self._manager.infer_expr(provided.clone()).expect("internal error: failed to infer expression");
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_provided_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flakec-backend` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] warning: unused import: `fmt::Display`
[INFO] [stdout]  --> compiler/flakec-types/src/lib.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, error, fmt::Display, marker::PhantomData, ops::Deref};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> compiler/flakec-types/src/lib.rs:146:24
[INFO] [stdout]     |
[INFO] [stdout] 146 |         for (provided, expected) in args.iter().zip(expected_args.iter()) {
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `provided_ty`
[INFO] [stdout]    --> compiler/flakec-types/src/lib.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let provided_ty = self._manager.infer_expr(provided.clone()).expect("internal error: failed to infer expression");
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_provided_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bd3e3d577388b40a102a79eead1e9906e8198861262df3e826e897374fd7ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd3e3d577388b40a102a79eead1e9906e8198861262df3e826e897374fd7ba8", kill_on_drop: false }`
[INFO] [stdout] 4bd3e3d577388b40a102a79eead1e9906e8198861262df3e826e897374fd7ba8
